Seal defining sector-shaped flow area

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary heat wheel cassette assembly

    • Patent number 4,924,934
    • Issue date May 15, 1990
    • Airxchange, Inc.
    • Donald F. Steele
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Friction drive toroidal regenerator

    • Patent number 4,922,997
    • Issue date May 8, 1990
    • Williams International Corporation
    • Robert H. Meyer
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Rotary heat exchanger

    • Patent number 4,331,198
    • Issue date May 25, 1982
    • Midland-Ross Corporation
    • Tamara M. Michalska
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Regenerator seal hub gas passages

    • Patent number 4,256,171
    • Issue date Mar 17, 1981
    • General Motors Corporation
    • Richard M. Zeek
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Sector plate support

    • Patent number 4,122,891
    • Issue date Oct 31, 1978
    • The Air Preheater Company, Inc.
    • Roderick J. Baker
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Sealing plate support

    • Patent number 4,024,907
    • Issue date May 24, 1977
    • The Air Preheater Company, Inc.
    • Tadek Brzytwa
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3880225

    • Patent number 3,880,225
    • Issue date Apr 29, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3743008

    • Patent number 3,743,008
    • Issue date Jul 3, 1973
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3650317

    • Patent number 3,650,317
    • Issue date Mar 21, 1972
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3587724

    • Patent number 3,587,724
    • Issue date Jun 28, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3516482

    • Patent number 3,516,482
    • Issue date Jun 23, 1970
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3478816

    • Patent number 3,478,816
    • Issue date Nov 18, 1969
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3476174

    • Patent number 3,476,174
    • Issue date Nov 4, 1969
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3467174

    • Patent number 3,467,174
    • Issue date Sep 16, 1969
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3456717

    • Patent number 3,456,717
    • Issue date Jul 22, 1969
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3448793

    • Patent number 3,448,793
    • Issue date Jun 10, 1969
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3401740

    • Patent number 3,401,740
    • Issue date Sep 17, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3384156

    • Patent number 3,384,156
    • Issue date May 21, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3374829

    • Patent number 3,374,829
    • Issue date Mar 26, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3373797

    • Patent number 3,373,797
    • Issue date Mar 19, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3368611

    • Patent number 3,368,611
    • Issue date Feb 13, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3368612

    • Patent number 3,368,612
    • Issue date Feb 13, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3367405

    • Patent number 3,367,405
    • Issue date Feb 6, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3315729

    • Patent number 3,315,729
    • Issue date Apr 25, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3311162

    • Patent number 3,311,162
    • Issue date Mar 28, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3298429

    • Patent number 3,298,429
    • Issue date Jan 17, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3294156

    • Patent number 3,294,156
    • Issue date Dec 27, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3280895

    • Patent number 3,280,895
    • Issue date Oct 25, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3250316

    • Patent number 3,250,316
    • Issue date May 10, 1966
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3216487

    • Patent number 3,216,487
    • Issue date Nov 9, 1965
    • F28 - HEAT EXCHANGE IN GENERAL